A camera pen is a Caméra built-in a tube, or a Stylo. One also speaks about pen spy .

These pens are used for espionner as much in image that in a its private, or secret event.

The advantage of this Caméra is discretion, and lightness: in general, the Stylo weighs a score of grams. In the same way, to view into simultaneous the recording, the range is of a hundred meters, through walls and doors. On the contrary, its defect is its autonomy, often weak, due to the size of the battery, or the low number of piles which can entered the pen.

External bond

• Example of camera pen